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Keywords: optimization problem
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3190
... over-actuated system, but only one combination is actually needed. Therefore, thrust allocation is a constrained optimization problem whose objective is to minimize power consumption. And the constraints are usually to guarantee that the achieved thrusts equal to the commanded ones. Moreover, some...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-4295
... Steen, 2011; Seo et al., 2013). freight & logistics services engineering waterline length artificial intelligence ship speed loss marine transportation resistance proceedings coefficient optimization problem formula regression formula representative sea condition hull form calm...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2132
... artificial intelligence underwater vehicle angular acceleration trust region method x-rudder underwater vehicle iterative step objective function value sqp method control allocation algorithm target angular acceleration rudder angle optimization problem sequential quadratic...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-4247
... optimization is also performed, obtaining an optimization solution. Then, First Order Reliability Method (FORM) is used to analyse its reliability. Particle Swarm Optimization (PSO) is employed to reduce the weight and painting area simultaneously, which is a multi-objective optimization problem. Moreover, the...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1196
... optimization problem. The Bastankhah wake model is applied to calculate the wake velocity field and predict the power output of wind farm. The wake velocity predicted by the Bastankhah model is also validated by CFD results. In addition, the Kriging model is selected to construct the surrogate relationship...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1191
... installation approaches to reduce operation time in offshore environment is highly demanded in industry for saving cost and increasing safety. offshore projects planning and execution sustainable development machine learning artificial intelligence platform design wind energy optimization problem...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1239
... form optimization system for icebreakers, an optimization method for minimizing resistance in level ice is devised. Moreover, optimization performed only around the bow because bow form is dominant in ice resistance. The optimization problem of an icebreaker was investigated by Edwards, Major, Kim...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1122
... optimization problem fracturing materials proppant dimensionless productivity index formation permeability artificial intelligence fracturing fluid productivity index proppant number proppant cost coefficient proppant mass diameter reservoir hydraulic fracturing upstream oil...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1147
... as effective passive control methods for improving the aerodynamic performance of a compressor cascade. And the results show that: the curved blade could lessen the flow loss to 2.55%. machine learning optimization problem lessen artificial intelligence speed ratio ocean energy renewable...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1167
... configuration dimensions of substructures (Karimi et al., 2016). The selection of design variables is a priori consideration for a standard optimization procedure. The most straightforward approach is to fully parameterize the design space. However, this will lead to a high dimensional optimization problem and...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2116
... scholars have underwater vehicle optimization. optimization problem resistance optimization hydrodynamic performance mathematical expression artificial intelligence upstream oil & gas calculation resistance coefficient fourth-order rsm approximate model algorithm optimization theory...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-548
... algorithm is transforming the nonlinear optimization problem with equality and inequality constraints into a quadratic programming problem. In each iteration a search direction of solution is determined through solving the quadratic programming subproblem and a merit function is used to get the moving step...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-606
... trajectory parameters is a constrained optimization problem in which trajectory length is the objective function. To abtain the optimum trajectory parameters, namely, the optimum solution of the well trajectory optimization model, the heuristic algorithms are routinely applied to solve the model. Kasrvai...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-459
... process. Specifically, SQP has the characteristics such as fast convergence, good optimization effect and so on, which is very suitable to cope with such small and medium-sized optimization problems in this paper. SQP was first proposed by R.B. Wilson, as one of the best algorithms for solving programming...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-585
... method compound gas monetization lng cold energy new molecular design method liquified natural gas critical temperature refrigerant optimization problem rankine cycle artificial intelligence Molecular design of refrigerants and their applications for utilizing LNG cold energy Haiyan Wang...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-554
... reduced to minimize the use of resin rope. In this study, the corrugation of the inner side of the hull is measured, and the offset table of the corrugation is used to calculate the deformation of the LNG tank hull. To solve the optimization problem, an objective function with constraints is...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-676
... optimization problem thrust allocation mode azimuth thruster university thrust allocation allocation problem algorithm energy consumption subsea system allocation algorithm azimuth mode Research on Dynamic Positioning Thrust Allocation Switching Strategy Mengfei Zhu, Haixiang Xu, Wenzhao Yu, Hui...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-205
... encounter frequency equation amplitude frequency response curve cruise ship parent ship preliminary design stage artificial intelligence wave condition probability stability marine transportation navigation area optimization problem roll motion passenger transportation ship form scheme...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-230
... responsibility energy system artificial intelligence electrical system substation lcoe cable power production renewable energy levelized cost göteman installation economical model optimization problem giassi An Economical Cost Function for the Optimization of Wave Energy Converter Arrays...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-211
... be enough to meet the power requirement (Preq) at any time. OPTIMIZATION ALGORITHM Since the design optimization of plug-in HEPS is formulated as a constrained nonlinear multi-objective optimization problem, the fast and elitist multi-objective genetic algorithm (NSGA-II) is employed in design space...

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